Oliver Krischer (born 26 July 1969) is a German politician of the Alliance '90/The Greens who has been serving as State Minister for Environment, Nature Protection, and Transport in the government of Minister-President of North Rhine-Westphalia Hendrik Wüst since 2022. From 2021 to 2022, Krischer briefly served as Parliamentary State Secretary in the Federal Ministry for Economic Affairs and Climate Action in the coalition government of Chancellor Olaf Scholz since 2021. He was a member of the Bundestag from 2009 to 2022. Education and early career Krischer was born in Zülpich, West Germany. He grew up in Heimbach (Eifel; Germany). After the A-Levels and civilian service he studied biology at RWTH Aachen. From 1997 to 2002 he worked for Michaele Hustedt, a former member of the German Bundestag. From 2002 to 2009 he worked as scientific assistant for the Green parliamentary group in North Rhine-Westphalia in the thematic fields of energy, agriculture and land use regulation. Political career In 1989, Krischer joined the Green Party. Since 1994 he is member of the Kreistag and became chairman of the parliamentary group in 1997. He became district chairman of his party in 2005 and was elected in the Bezirksvorstand Mittelrhein in 2006. From 2001 to 2006 he served as chairman of the Biological Station in Düren. Member of the German Bundestag, 2009–2022 In the 2009 federal elections, Krischer was elected into the German Bundestag via his nomination on the Green ballot list. In his first term between 2009 and 2013, Krischer was a member of the Committee on Economic Affairs and Technology and an alternate member of the Committee on the Environment, Conservation and Reactor Safety. He also served as his parliamentary group's spokesperson on energy and resource efficiency. In addition, he chaired its working group on energy and climate. From 2013 until 2021, Krischer served as vice chairman of the Green Party's parliamentary group under the leadership of co-chairs Katrin Göring-Eckardt and Anton Hofreiter; in this role, he was responsible for the topics, energy, environment, climate, reactor safety, animal protection, agriculture and transportation. He was a deputy member of the Committee on Economic Affairs and Energy and the Committee on Transport and Digital Infrastructure. Besides this he was the vice-chairman of the parliamentary inquiry into the Volkswagen emissions scandal (Dieselgate). In the 2021 German federal election, he was elected to a direct mandate in Aachen I. In the negotiations to form